Flight OddsUA1252 IAD → ORD
United Airlines · Washington, DC to Chicago, IL · 94 flights observed, 2026-03-29 to 2026-06-30 · 588 mi
UA1252 covers more than one route in the data window — the stats below are for IAD → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-19 min
90th percentile
+8 min
Cancellation rate
0%
How often is UA1252 on time?
Across 94 flights on IAD → ORD from 2026-03-29 to 2026-06-30, UA1252 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +8 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 87 | 93% |
| 16-30 min | 1 | 1% |
| 31-60 min | 1 | 1% |
| 61-120 min | 5 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | -1 min |
| 2026-04 | 30 | 87% | -5 min |
| 2026-05 | 31 | 94% | -12 min |
| 2026-06 | 30 | 100% | -24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 93% |
| Tue | 14 | 86% |
| Wed | 13 | 100% |
| Thu | 13 | 92% |
| Fri | 13 | 92% |
| Sat | 13 | 100% |
| Sun | 14 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…